Re: LF: Softrock RX divider IC problem, unexpected frequency out

[Chris Wilson <dead.fets@gmail.com>]

I don't know I was wondering that myself. Is it significant?

Best Regards
Chris Wilson

On 31 Jan 2018 11:07 am, "Claudio Pozzi" <smtp01@email.it> wrote:

On Wednesday 31 January 2018 00:04:30 you wrote:

> Hello Andy,

>

> I cannot test into the divider as I lost a pad off the PCB and have no

> more IC's left, but some are coming and I can jury rig the board for

> testing even if it won't be pretty, but I added a Schmitt IC on a

> breadboard with long leads, biased with two 10k resistors on the input

> pin, and AC coupled with a 0.1uf ceramic. The resulting wave form is

> at:

>

> http://www.gatesgarth.com/lf-schmitt-on-collector-q2.jpg

>

 

HI Chris.

 

 

Why you have a negative low level?

 

Also in the previous post in channel B:

 

> Faulty LF oscillator or divider first

>

> http://www.gatesgarth.com/R17-to-pin3.jpg

 

 

 

 

 

73

Claudio ik2pii

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